Control unit



FIG. 1 is a perspective view of a control unit of the present invention;

FIG. 2 is a front elevation view of the control unit of the present invention;

FIG. 3 is a side elevation view of the control unit of the present invention;

FIG. 4 is a side elevation view of the control unit of the present invention;

FIG. 5 is a rear elevation view of the control unit of the present invention;

FIG. 6 is a top view of the control unit of the present invention; and,

FIG. 7 is a bottom view of the control unit of the present invention. 

We claim the ornamental design for a control unit, as shown. 